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authorpho <pho@NetBSD.org>2022-01-22 07:57:30 +0000
committerpho <pho@NetBSD.org>2022-01-22 07:57:30 +0000
commitd15edff82e327293be5b1aa0c81a9dc084d7ff85 (patch)
treea56f9f3e8e8c2d288616239ce8d991f874682f01 /lib/librefuse
parent6dd72ff4091768d03bdc474eaa9c511476acb1d8 (diff)
lib/librefuse: Add support for legacy types and functions
Diffstat (limited to 'lib/librefuse')
-rw-r--r--lib/librefuse/fuse.h6
-rw-r--r--lib/librefuse/refuse.c21
-rw-r--r--lib/librefuse/refuse/Makefile.inc4
-rw-r--r--lib/librefuse/refuse/legacy.c54
-rw-r--r--lib/librefuse/refuse/legacy.h93
5 files changed, 173 insertions, 5 deletions
diff --git a/lib/librefuse/fuse.h b/lib/librefuse/fuse.h
index 9b305fe9f85..3b25d92a2a8 100644
--- a/lib/librefuse/fuse.h
+++ b/lib/librefuse/fuse.h
@@ -1,4 +1,4 @@
-/* $NetBSD: fuse.h,v 1.27 2022/01/22 07:56:16 pho Exp $ */
+/* $NetBSD: fuse.h,v 1.28 2022/01/22 07:57:30 pho Exp $ */
/*
* Copyright © 2007 Alistair Crooks. All rights reserved.
@@ -31,6 +31,7 @@
#define FUSE_H_ 20211204
#include <refuse/buf.h>
+#include <refuse/legacy.h>
#include <refuse/poll.h>
#include <refuse/session.h>
#include <sys/cdefs.h>
@@ -110,7 +111,6 @@ struct fuse_args {
*/
#define FUSE_ARGS_INIT(argc, argv) { argc, argv, 0 }
-typedef struct puffs_fuse_dirh *fuse_dirh_t;
typedef int (*fuse_fill_dir_t)(void *, const char *, const struct stat *, off_t);
typedef int (*fuse_dirfil_t)(fuse_dirh_t, const char *, int, ino_t);
@@ -166,6 +166,8 @@ struct fuse_operations {
struct fuse *fuse_new(struct fuse_args *,
const struct fuse_operations *, size_t, void *);
+/* Invalidate cache for a given path. Appeared on FUSE 3.2. */
+int fuse_invalidate_path(struct fuse *fuse, const char *path);
int fuse_mount(struct fuse *, const char *);
void fuse_unmount(struct fuse *);
diff --git a/lib/librefuse/refuse.c b/lib/librefuse/refuse.c
index 3f721b9550c..705f536174c 100644
--- a/lib/librefuse/refuse.c
+++ b/lib/librefuse/refuse.c
@@ -1,4 +1,4 @@
-/* $NetBSD: refuse.c,v 1.104 2022/01/22 07:53:06 pho Exp $ */
+/* $NetBSD: refuse.c,v 1.105 2022/01/22 07:57:30 pho Exp $ */
/*
* Copyright © 2007 Alistair Crooks. All rights reserved.
@@ -31,7 +31,7 @@
#include <sys/cdefs.h>
#if !defined(lint)
-__RCSID("$NetBSD: refuse.c,v 1.104 2022/01/22 07:53:06 pho Exp $");
+__RCSID("$NetBSD: refuse.c,v 1.105 2022/01/22 07:57:30 pho Exp $");
#endif /* !lint */
/* We emit a compiler warning for anyone including <fuse.h> without
@@ -1392,7 +1392,24 @@ fuse_unmount_compat22(const char *mp)
}
int
+fuse_invalidate_path(struct fuse *fuse __attribute__((__unused__)),
+ const char *path __attribute__((__unused__)))
+{
+ /* ReFUSE doesn't cache anything at the moment. No need to do
+ * anything. */
+ return -ENOENT;
+}
+
+int
fuse_version(void)
{
return FUSE_VERSION;
}
+
+/* This is a legacy function that has been removed from the FUSE API,
+ * but is defined here because it needs to access refuse_opts. */
+int
+fuse_is_lib_option(const char *opt)
+{
+ return fuse_opt_match(refuse_opts, opt);
+}
diff --git a/lib/librefuse/refuse/Makefile.inc b/lib/librefuse/refuse/Makefile.inc
index 478e7bf6341..0e8ae3d9fe2 100644
--- a/lib/librefuse/refuse/Makefile.inc
+++ b/lib/librefuse/refuse/Makefile.inc
@@ -1,11 +1,13 @@
-# $NetBSD: Makefile.inc,v 1.3 2022/01/22 07:56:16 pho Exp $
+# $NetBSD: Makefile.inc,v 1.4 2022/01/22 07:57:30 pho Exp $
.PATH: ${.CURDIR}/refuse
SRCS+= buf.c
+SRCS+= legacy.c
SRCS+= poll.c
SRCS+= session.c
INCS+= refuse/buf.h
+INCS+= refuse/legacy.h
INCS+= refuse/poll.h
INCS+= refuse/session.h
diff --git a/lib/librefuse/refuse/legacy.c b/lib/librefuse/refuse/legacy.c
new file mode 100644
index 00000000000..114039a4a3b
--- /dev/null
+++ b/lib/librefuse/refuse/legacy.c
@@ -0,0 +1,54 @@
+/* $NetBSD: legacy.c,v 1.1 2022/01/22 07:57:30 pho Exp $ */
+
+/*
+ * Copyright (c) 2021 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#if !defined(lint)
+__RCSID("$NetBSD: legacy.c,v 1.1 2022/01/22 07:57:30 pho Exp $");
+#endif /* !lint */
+
+#include <errno.h>
+#include <fuse_internal.h>
+
+int
+fuse_invalidate(struct fuse *fuse __attribute__((__unused__)),
+ const char *path __attribute__((__unused__)))
+{
+ int res = fuse_invalidate_path(fuse, path);
+
+ switch (res) {
+ case -ENOENT:
+ /* There was no entry to be invalidated. This isn't an
+ * error. */
+ return 0;
+ default:
+ return res;
+ }
+}
diff --git a/lib/librefuse/refuse/legacy.h b/lib/librefuse/refuse/legacy.h
new file mode 100644
index 00000000000..c791f01bdbf
--- /dev/null
+++ b/lib/librefuse/refuse/legacy.h
@@ -0,0 +1,93 @@
+/* $NetBSD: legacy.h,v 1.1 2022/01/22 07:57:30 pho Exp $ */
+
+/*
+ * Copyright (c) 2021 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#if !defined(_FUSE_LEGACY_H_)
+#define _FUSE_LEGACY_H_
+
+#include <sys/fstypes.h>
+
+/* Legacy data types and functions that had once existed but have been
+ * removed from the FUSE API. */
+
+#if !defined(FUSE_H_)
+# error Do not include this header directly. Include <fuse.h> instead.
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* statfs structure used by FUSE < 1.9. On 2.1 it's been replaced with
+ * "struct statfs" and later replaced again with struct statvfs on
+ * 2.5. */
+struct fuse_statfs {
+ long block_size;
+ long blocks;
+ long blocks_free;
+ long files;
+ long files_free;
+ long namelen;
+};
+
+/* Linux-specific struct statfs; used by FUSE >= 2.1 && < 2.5. */
+struct statfs {
+ long f_type;
+ long f_bsize;
+ fsblkcnt_t f_blocks;
+ fsblkcnt_t f_bfree;
+ fsblkcnt_t f_bavail;
+ fsfilcnt_t f_files;
+ fsfilcnt_t f_ffree;
+ fsid_t f_fsid;
+ long f_namelen;
+ long f_frsize;
+ long f_flags;
+};
+
+/* Handle for a getdir() operation. Removed as of FUSE 3.0. */
+typedef void *fuse_dirh_t;
+
+/* Enable debugging output. Removed on FUSE 3.0. */
+#define FUSE_DEBUG (1 << 1)
+
+/* Invalidate cached data of a file. Added on FUSE 1.9 and removed on
+ * FUSE 3.0. Not to be confused with fuse_invalidate_path() appeared
+ * on FUSE 3.2. */
+int fuse_invalidate(struct fuse *f, const char *path);
+
+/* Check whether a mount option should be passed to the kernel or the
+ * library. Added on FUSE 1.9 and removed on FUSE 3.0. */
+int fuse_is_lib_option(const char *opt);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif